Last name هارتس (Harz 
, Harts 
, هارتس) , all around the world, is quite a rare cognomen. The surname هارتس is characteristic of Germany, where it is quite a rare surname, Switzerland, and Lebanon. Measured by absolute frequency, it most frequently occurs in Germany, the United States, and Algeria. Much less frequently, هارتس is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Harz | Brazil, Algeria, United States, Germany, Indonesia |
| Harts | Brazil, Netherlands, United States, Egypt, Indonesia |